Zip Code 45011 — Hamilton, OH

ZIP Code 45011 is associated with Hamilton, OH, in Butler County. The listed population estimate is 75,864; estimated density is 485.0 people per square mile. Among records with population estimates, it ranks #1 of 14 in Butler County and #1 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.428920, -84.501730)

Data MetricLocal Statistic
Postal / Zip Code45011
Primary CityHamilton
State / ProvinceOH
CountyButler
Total Population75,864
Population Density485.0 people/sq mi
TimezoneAmerica/New_York

How 45011 Compares

MetricZIP 45011Butler County recordsOH records
Population estimate75,864389,474 (sum)11,810,293 (sum)
Population Density485.0 /sq mi----
County population rank#1 of 14----
State population rank#1 of 1,215----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in OH

ZIP CodeCityDistancePopulation estimate
ZIP 45055Overpeck2.0 mi198
ZIP 45067Trenton4.4 mi15,471
ZIP 45062Seven Mile4.8 mi511
ZIP 45015Hamilton5.0 mi11,038
ZIP 45044Middletown6.7 mi56,217

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →